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Licensed Septic Contractors: Delaware County, OH

23 licensed septic contractors based in Delaware County. Every license number below is sourced from public licensing records, with a link to look it up yourself.

Grouped by the county of the address on each license record, which can be a mailing address, so it doesn't tell you where the business works. When the record names no county, we place it by ZIP code, then town.

Checked against Ohio Department of Health - Sewage Treatment System Bond Lists. Roster copy last refreshed 2026-08-17.

Need septic pumping, cleaning, repair, inspection, or installation work quotes in Delaware County? Request free quotes and we'll pass it to licensed septic contractors who serve the area.

Towns in Delaware County

All 6 towns named on the license records based here, with the number of listings in each, most first.

License classes on the Delaware County records

Each class as the issuing agency prints it on the license record. A record that names more than one class counts once under each, so the rows can add up to more than 23.

License classTradeListings
Sewage Treatment System InstallerSeptic16
Sewage Treatment System Service ProviderSeptic11
Septage HaulerSeptic8

Septic Contractors based in Delaware County (23)

DelawareA&B Sanitation Inc.

Septic
Based in Sunbury, OH · License #OH13426, OH13427

A&B Sanitation Inc.

Septic System Installation
Based in Sunbury, OH · License #OH13425

Vititoe Construction Inc.

Septic System Installation
Based in Ostrander, OH · License #2321728

Onsite Wastewater Management Services, Inc.

Septic
Based in Ostrander, OH · License #BX0002733

Landworks Excavating LLC

Septic System Installation
Based in Ostrander, OH · License #CBE1074269

RBK Drainage Services, LLC

Septic
Based in Ostrander, OH · License #S960379

KMC Custom Renovations LLC

Septic System Installation
Based in Ostrander, OH · License #67730725

Wells Septic and Drain, LLC

Septic
Based in Sunbury, OH · License #62240291, 62240304

Yinger Construction Co. Inc., & Bob's Septic Tank

Septic System Installation
Based in Sunbury, OH · License #B6749583, B6749645, B6749647

The Emergency Plumber & BE Ohio

Septic System Installation
Based in Delaware, OH · License #67792416, 67792501

B & K Lehner Excavating LLC

Septic System Installation
Based in Delaware, OH · License #CBE1068308

Risha Co LLC

Septic System Installation
Based in Sunbury, OH · License #BND288966M

Judges Sanitation LLC

Septic System Installation
Based in Westerville, OH · License #B1214151, B1214152, B1214153

Fisher Excavating

Septic System Installation
Based in Sunbury, OH · License #32S493713

Larry Dore & Associates LLC

Septic System Installation
Based in Galena, OH · License #B6778258

Emergency Plumbing Heating & Air

Septic System Installation
Based in Delaware, OH · License #108331371, 7901294379, 7901294607

Able Sanitation Inc

Septic
Based in Delaware, OH · License #Q968146740

Bloodhound Sanitation Services LLC

Septic
Based in Westerville, OH · License #32S457747

MJC Septic Services, LLC

Septic System Installation
Based in Ostrander, OH · License #B150063084, B150063086, BND208612C

Russell Excavation Services

Septic System Installation
Based in Columbus, OH · License #999155903

CDK Structures Inc

Septic System Installation
Based in Ostrander, OH · License #BX0006301, BX0006303

Delaware3E Excavating INC

Septic System Installation
Based in Sunbury, OH · License #95KJY9254

Active Wastewater Systems LLC

Septic
Based in Sunbury, OH · License #B6751581

Own one of these businesses? Find your listing and claim it.

Looking for a specific contractor? Search by name, business name, or license number.

Services in Delaware County, with national cost ranges

Listings based in Delaware County whose license class covers each service. Cost ranges are national; each links its cost guide.

ServiceBased in Delaware CountyNational cost
Septic Tank Pumping0$250 to $600
Septic System Installation16$3,600 to $12,500
Septic Inspection0$150 to $900
Septic System Design0Varies by site
Perc Test and Soil Evaluation0$250 to $1,000

None of the listings based in Delaware County hold a license class we can match to septic tank pumping, septic inspection, septic system design or perc test and soil evaluation. Ask any contractor whether they do this work, or try a nearby city.

Hiring a septic contractor in Delaware County

Septic (onsite wastewater) contractors handle everything from routine septic tank pumping and cleaning to repairs, inspections, and new system installation. States license each role separately (a pumper is not necessarily licensed to install, and vice versa), so match the license class to the job.

Before you sign anything: confirm the license on this page is still active with the agency that issued it, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.

Do I need a permit for well or septic work in Ohio?

Neighboring counties